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Authors
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Hess, M. ; Pionteck, J.
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Title
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Thermodynamic properties of a series of semi-rigid polyesters
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Date
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25.11.2002
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Number
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10980
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Abstract
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The thermodynamic properties of a series of poly[oxy(2,2' dialkylpropane-1,3-diyl) carboxybisphenyl-4,4'-dicarbonyl] have been investigated by P-V-T-measurements as a function of the length of one side-chain at the 2'-position.<br />The pressure-and temperature dependence of the specific volume was recorded from room temperature to 300 °C and from ambient pressure to 200 MPa. Depending on the chemical constitution glass-transitions, enantiotropic and monotropic mesophase transitions were identified. A pressure-induced transition in the glass was observed in one case and unusual behaviour of the volume for a first order mesophase transition in another case.
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Publisher
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Materials Research Innovations
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Wikidata
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Citation
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Materials Research Innovations 6 (2002) 51-54
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DOI
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https://doi.org/10.1007/s10019-002-0170-x
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Tags
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